Amateur Radio gear, UHF preamplifiers, Duplexer,Electronic equipment,Antennas,Satellite rotator Home

Got a commericial dipole array, but the SWR Sucks?
Check out
Commercial Dipole Array Modifications.
 
100-2000Mhz Input to 43.5Mhz Output converter. View Schematic.
 
Homebrew 440Mhz Interdigital Filter.
 
Homebrew 440Mhz Duplexer.
 
Think Satellite rotors are expensive? Check out this Satellite Rotor.
 
Check out some homebrew Preamplifiers.
 
442.575 W4RCC Repeater Group Info
Main Site
  • Transmitting/RX Channel 1 from Miami Shores (250ft)
  • Home Brew 4 Channel Voter (2 channels in use)
  • Using 2 radio shack scanners for voting/aux receivers (yes scanners)
  • 80 Watts of output power from GE Amplifier (100% Duty Cycle)
  • Home Brew Duplexers
  • Modifed 8 bay Commercial Dipole Array - see above for modifications
  • Regency Repeater
  • Home Brew pre-amplifier
  • Home Brew Interdigital Filter for interference rejection
  • Cat 1000 Repeater Controller
  • Secondary Site (RX channel 2)
  • Located in Hollywood (100ft)
  • GE MVP transceiver - modifed for repeater use
  • TE systems preamp
  • Home Brew Interdigital Filter for interference rejection
  • Home Brew notch filter for interference rejection
  • 16 bay Commercial Dipole Array - unmodified
  • Some junky controller
  • Yaesu Transceiver for link output to main site
  • Home Brew bandpass filter for clean link output
  • This system can also function as a fully operational repeater when needed
  •  
    444.725 K4LNP Repeater Group Info
  • Located in Hollywood (100ft)
  • 80 Watts of output power (100% Duty Cycle)
  • Old Duplexers
  • 16 bay Commercial Dipole Array - unmodified
  • Unknown Repeater Transmitter
  • Using Yaesu FT-5200 for receiver
  • Home Brew Bandpass/Reject Filter for interference rejection
  • Using MH Repeater Controller System mentioned above
  • 486 100Mhz Computer for Controller System